[all-commits] [llvm/llvm-project] 5fc1b7: [CIR] Recognize constant aggregate initialization ...

[Andy Kaylor via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5fc1b74af52093cd5229ba0e1c368d41735bb990
      https://github.com/llvm/llvm-project/commit/5fc1b74af52093cd5229ba0e1c368d41735bb990
  Author: Andy Kaylor <akaylor at nvidia.com>
  Date:   2025-11-07 (Fri, 07 Nov 2025)

  Changed paths:
    M clang/include/clang/CIR/MissingFeatures.h
    M clang/lib/CIR/CodeGen/CIRGenDecl.cpp
    M clang/test/CIR/CodeGen/agg-expr-lvalue.c
    M clang/test/CIR/CodeGen/array.cpp
    M clang/test/CIR/CodeGen/compound_literal.cpp
    M clang/test/CIR/CodeGen/loop.cpp
    M clang/test/CIR/CodeGen/paren-init-list.cpp
    M clang/test/CIR/CodeGen/statement-exprs.c
    M clang/test/CIR/CodeGen/struct-init.cpp
    M clang/test/CIR/CodeGen/struct.cpp
    M clang/test/CIR/CodeGen/variable-decomposition.cpp
    M clang/test/CIR/CodeGenOpenACC/combined-reduction-clause-default-ops.cpp
    M clang/test/CIR/CodeGenOpenACC/combined-reduction-clause-float.cpp
    M clang/test/CIR/CodeGenOpenACC/combined-reduction-clause-int.cpp
    M clang/test/CIR/CodeGenOpenACC/compute-reduction-clause-default-ops.c
    M clang/test/CIR/CodeGenOpenACC/compute-reduction-clause-default-ops.cpp
    M clang/test/CIR/CodeGenOpenACC/compute-reduction-clause-float.c
    M clang/test/CIR/CodeGenOpenACC/compute-reduction-clause-float.cpp
    M clang/test/CIR/CodeGenOpenACC/compute-reduction-clause-int.c
    M clang/test/CIR/CodeGenOpenACC/compute-reduction-clause-int.cpp
    M clang/test/CIR/CodeGenOpenACC/compute-reduction-clause-unsigned-int.c
    M clang/test/CIR/CodeGenOpenACC/loop-reduction-clause-default-ops.cpp
    M clang/test/CIR/CodeGenOpenACC/loop-reduction-clause-float.cpp
    M clang/test/CIR/CodeGenOpenACC/loop-reduction-clause-int.cpp
    M clang/test/CIR/Lowering/array.cpp
    M clang/test/CodeGenCXX/constructors.cpp

  Log Message:
  -----------
  [CIR] Recognize constant aggregate initialization of auto vars (#166850)

This adds code that was previously missing from emitAutoVarAlloca to
identify when an aggregate auto var is being emitted with a constant
initializer, and the associated code that is called from emitAutoVarInit
to store the constant. This allows significantly more efficient
initialization.



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